This update in the latest (8th November 2022) update of Xara Designer Pro+ is very welcome!

Other Improvements
Second and subsequent pastes of the same clipboard contents now work the same way as the initial paste (a list of formats to choose from is shown, if there is a choice). This means if you don’t like the results of the first format you choose, you can simply paste again and choose a different format, without having to re-copy from the source application.

That's bugged me for years, but I never thought to ask that it be changed... I just dutifully went away, copied again, and tried pasting differently!

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